Results 31 to 40 of about 1,909,198 (259)
Evolution of mechanical properties and acoustic emission characteristics of granite with normal stress under true triaxial shear test [PDF]
Scientific ReportsShear failure is a typical failure mode of surrounding rock in underground excavations. The mechanical properties and damage evolution characteristics of rock under true triaxial shear conditions are essential for stability evaluation and monitoring ...
Jizhe Guo +7 more
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Calculation method and evolution rule of the strain energy density of sandstone under true triaxial compression [PDF]
Scientific ReportsDeep rock masses are typically in complex stress states, and research on the evolution of their strain energy density is of highly important for understanding their failure characteristics.
Liu Zhixi +3 more
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Modified true triaxial Hoek-Brown criterion considering intermediate principal stress effect [PDF]
Meitan kexue jishuIn order to improve the Hoek-Brown strength criterion not considering the influence of intermediate principal stress on rock strength, the evolutions of rock strength were investigated according to the results of the rock true triaxial compression test ...
Yapeng LI +3 more
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Probability prediction of true-triaxial compressive strength of intact rocks based on the improved PSO-RVM model [PDF]
Deep Underground Science and Engineering, EarlyView.In deep underground engineering design, the true-triaxial compressive strength of intact rocks is a critical evaluation index. Traditional methods for acquiring true-triaxial strength data are hampered by labor-intensive manual operations.
He, X +4 more
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Glass Beads Test with True Triaxial Stress Path Achieved by Conventional Triaxial Apparatus
Fractal and FractionalThe impact of fabric anisotropy, fractal dimension, and breakage on the strength and deformation of granular materials were diminished by uniform-size spherical glass beads.
Xuefeng Li, Jiahui Ma, Longlong Lv
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Mechanical and Energy Evolution Characteristics of Fractured Sandstone Materials: A True Triaxial Experimental Study. [PDF]
Materials (Basel)To investigate the mechanical and energy evolution characteristics of fractured rock under true triaxial stresses, true triaxial strength compression experiments on fractured sandstone were conducted with varying crack lengths and widths.
Sun G, Lu Y, Huang G, Liang Q, Huang X.
europepmc +2 more sources
International Journal of Mining Science and TechnologyThe far-field microdynamic disturbance caused by the excavation of deep mineral resources and underground engineering can induce surrounding rock damage in high-stress conditions and even lead to disasters.
Zhi Zheng +5 more
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Journal of Rock Mechanics and Geotechnical Engineering, 2023 The study of clastic rock failure evolution under true triaxial stress is an important research topic; however, it is rarely studied systematically due to the limitation of monitoring technology.
Feiyan Wang +3 more
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Lithosphere, 2022 As coal mining depth is over 1000 m, an overstressed effect is commonly observed around working face which shows a higher stress than the ultimate strength of the coal mass.
Guang-an Zhu +4 more
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Meitan xuebao, 2023 Deep coal is mostly in a three-dimensional unequal stress state. In order to study the dynamic characteristics of coal under impact load, the dynamic failure mechanics experiment of coal was carried out by true triaxial Hopkinson experimental system ...
Rongxi SHEN +5 more
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